Bump sinon from 7.5.0 to 8.0.1

Bumps [sinon](https://github.com/sinonjs/sinon) from 7.5.0 to 8.0.1.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/CHANGELOG.md)
- [Commits](sinonjs/sinon@v7.5.0...v8.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -36,7 +36,7 @@
     "mocha": "^6.1.4",
     "mocha-lcov-reporter": "^1.3.0",
     "nyc": "^14.1.1",
-    "sinon": "^7.3.2",
+    "sinon": "^8.0.1",
     "through2": "^3.0.1"
   },
   "scripts": {